invective vs contumely

invective and contumely both are nouns.

Word	Noun	Adjective	Verb	Adverb
invective	Yes	No	No	No
contumely	Yes	No	No	No

As nouns, contumely is a hypernym of invective; that is, contumely is a word with a broader meaning than invective:

invective: abusive or venomous language used to express blame or censure or bitter deep-seated ill will
contumely: a rude expression intended to offend or hurt

Other hypernyms of invective include abuse, insult, revilement, vilification.

invective (noun)	contumely (noun)
abusive or venomous language used to express blame or censure or bitter deep-seated ill will	a rude expression intended to offend or hurt